01 - Place frozen banana slices, milk, cocoa powder, peanut butter, maple syrup or honey, vanilla extract, and salt into the blender.
02 - Blend on high speed until the mixture is smooth and creamy.
03 - Taste the smoothie and adjust the sweetness with additional maple syrup or honey if needed.
04 - Pour the smoothie evenly into two glasses.
05 - Top each smoothie with whipped cream, chocolate shavings, or crushed peanuts as desired. Serve immediately.